git clone https://gitee.com/mirrors_trending/riscv-isa-sim.git
git clone https://gitee.com/zcic/riscv-pk.git
git clone https://gitee.com/mirrors/riscv-dejagnu.git
git clone https://gitee.com/mirrors/riscv-gnu-toolchain.git
git clone https://gitee.com/mirrors/riscv-gcc.git
